"Amir D. Aczel, the distinguished science writer, turns detective as he uncovers the fascinating story of the invention of the compass. It's a fabulous tale of Chinese lodestones directing the building of palaces and ancient mariners following the flights of birds to reach their destinations." "The arrival of the compass in Europe and an understanding of its potential revolutionized trade in the Mediterranean and ushered in the great Age of Exploration. Tracking down the roots of the compass and telling the story of navigation through the ages, Aczel instructs and charms as never before."--BOOK JACKET.